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ZyWALL USG 100/200 Series User’s Guide
199
CHAPTER 10
Interface
10.1 Interface Overview
Use the Interface screens to configure the ZyWALL’s interfaces. You can also create
interfaces on top of other interfaces.
• Ports are the physical ports to which you connect cables.
• Interfaces are used within the system operationally. You use them in configuring various
features. An interface also describes a network that is directly connected to the ZyWALL.
For example, You connect the LAN1 network to the LAN1 interface.
• Zones are groups of interfaces used to ease security policy configuration.
10.1.1 What You Can Do in the Interface Screens
• Use the Status screen (Section 10.2 on page 202) to see all of the ZyWALL’s interfaces
and their packet statistics.
•Use the Port Role screens (Section 10.3 on page 205) to set the ZyWALL’s flexible ports
as lan1, ext-wlan or dmz.
•Use the Ethernet screens (Section 10.4 on page 206) to configure the Ethernet interfaces.
Ethernet interfaces are the foundation for defining other interfaces and network policies.
RIP and OSPF are also configured in these interfaces.
• Use the PPP screens (Section 10.6 on page 221) for PPPoE or PPTP Internet connections.
• Use the Cellular screens (Section 10.7 on page 226) to configure settings for interfaces
for Internet connections through an installed 3G card.
• Use the WLAN screens (Section 10.9 on page 233) to configure settings for interfaces on
a wireless LAN card.
• Use the VLAN screens (Section 10.12 on page 247) to divide the physical network into
multiple logical networks. VLAN interfaces receive and send tagged frames. The
ZyWALL automatically adds or removes the tags as needed. Each VLAN can only be
associated with one Ethernet interface.
• Use the Bridge screens (Section 10.13 on page 255) to combine two or more network
segments into a single network.
• Use the Auxiliary screens (Section 10.14 on page 261) to configure the ZyWALL’s
auxiliary interface to use an external modem.
• Use the Virtual Interface screen (Section 10.15 on page 263) to create virtual interfaces
on top of Ethernet interfaces to tell the ZyWALL where to route packets. You can create
virtual Ethernet interfaces, virtual VLAN interfaces, and virtual bridge interfaces.
•Use the Trunks screens (Chapter 11 on page 269) to configure load balancing.